Move mirror::ArtMethod to native

Optimizing + quick tests are passing, devices boot.

TODO: Test and fix bugs in mips64.

Saves 16 bytes per most ArtMethod, 7.5MB reduction in system PSS.
Some of the savings are from removal of virtual methods and direct
methods object arrays.

Bug: 19264997
Change-Id: I622469a0cfa0e7082a2119f3d6a9491eb61e3f3d
diff --git a/runtime/arch/arm/quick_entrypoints_arm.S b/runtime/arch/arm/quick_entrypoints_arm.S
index 6e53ba4..064f5a6 100644
--- a/runtime/arch/arm/quick_entrypoints_arm.S
+++ b/runtime/arch/arm/quick_entrypoints_arm.S
@@ -419,7 +419,7 @@
     mov    r4, #SUSPEND_CHECK_INTERVAL     @ reset r4 to suspend check interval
 #endif
 
-    ldr    ip, [r0, #MIRROR_ART_METHOD_QUICK_CODE_OFFSET_32]  @ get pointer to the code
+    ldr    ip, [r0, #ART_METHOD_QUICK_CODE_OFFSET_32]  @ get pointer to the code
     blx    ip                              @ call the method
 
     mov    sp, r11                         @ restore the stack pointer